Design of a multirate system with two-degree-of-freedom compensation for improving steady-state intersample response

Shuhei Kimura; Takao Sato; Akira Yanou; Shiro Masuda; Nozomu Araki; Yasuo Konishi

Design of a multirate system with two-degree-of-freedom compensation for improving steady-state intersample response

Shuhei Kimura, Takao Sato, Akira Yanou, Shiro Masuda, Nozomu Araki, Yasuo Konishi

School of Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The present paper deals with a multirate control system in which the sampling interval of the plant output is an integer multiple of the update interval of the control input. In such a system, the intersample output may oscillate even if the sampled output converges to the reference input. This oscillation is referred to as ripple, and this problem must be solved. Therefore, the present paper proposes a new method by which to eliminate ripple in the steady state, and a simulation is performed in order to demonstrate the effectiveness of the proposed method.

Original language	English
Pages (from-to)	2719-2724
Number of pages	6
Journal	ICIC Express Letters
Volume	6
Issue number	10
Publication status	Published - Nov 19 2012

Keywords

Input oscillation
Integral compensation
Intersample output
Multirate system
Ripple
Two degrees of freedom

ASJC Scopus subject areas

Control and Systems Engineering
Computer Science(all)

Cite this

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T1 - Design of a multirate system with two-degree-of-freedom compensation for improving steady-state intersample response

AU - Kimura, Shuhei

AU - Sato, Takao

AU - Yanou, Akira

AU - Masuda, Shiro

AU - Araki, Nozomu

AU - Konishi, Yasuo

PY - 2012/11/19

Y1 - 2012/11/19

N2 - The present paper deals with a multirate control system in which the sampling interval of the plant output is an integer multiple of the update interval of the control input. In such a system, the intersample output may oscillate even if the sampled output converges to the reference input. This oscillation is referred to as ripple, and this problem must be solved. Therefore, the present paper proposes a new method by which to eliminate ripple in the steady state, and a simulation is performed in order to demonstrate the effectiveness of the proposed method.

AB - The present paper deals with a multirate control system in which the sampling interval of the plant output is an integer multiple of the update interval of the control input. In such a system, the intersample output may oscillate even if the sampled output converges to the reference input. This oscillation is referred to as ripple, and this problem must be solved. Therefore, the present paper proposes a new method by which to eliminate ripple in the steady state, and a simulation is performed in order to demonstrate the effectiveness of the proposed method.

KW - Input oscillation

KW - Integral compensation

KW - Intersample output

KW - Multirate system

KW - Ripple

KW - Two degrees of freedom

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Design of a multirate system with two-degree-of-freedom compensation for improving steady-state intersample response

Abstract

Keywords

ASJC Scopus subject areas

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